S
M
T
W
T
F
S
26
58°
38°
27
44°
38°
28
42°
37°
29
41°
39°
30
42°
39°
1
49°
43°
2
53°
41°
3
45°
37°
4
58°
39°
5
52°
44°
6
55°
47°
7
56°
46°
8
56°
45°
9
53°
41°
10
52°
46°
11
51°
46°
12
48°
43°
13
57°
40°
14
51°
44°
15
60°
47°
16
69°
48°
17
74°
45°
18
67°
47°
19
82°
58°
20
87°
48°
21
61°
37°
22
65°
39°
23
64°
42°
24
65°
43°
25
67°
45°
26
67°
47°
27
65°
46°
28
71°
47°
29
74°
48°
30
72°
44°
31
68°
46°
1
65°
43°
2
64°
43°
3
65°
42°
4
65°
48°
5
66°
49°
6
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Seffernville
Seffernville's May 2026 forecast shows daily high temperatures ranging from 61° to 87°, with overnight lows between 37° and 58°. The average high for May is 69° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Seffernville. See also: June | July | August.